UpHeron
All vulnerabilities

Servers and applications

CVE-2011-1407

The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity.

Severity
High 7.5
Published
16 May 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.8% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
EximServers and applications · cpe:a:exim:exim
  • Version 4.70
  • Version 4.71
  • Version 4.72
  • Version 4.73
  • Version 4.74
  • Version 4.75

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-1407
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-1407